86 lines
2.2 KiB
Python
86 lines
2.2 KiB
Python
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# Untitled - By: nian0 - 周一 11月 20 2023
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import sensor, image, lcd, time
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from fpioa_manager import fm
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import KPU as kpu
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import gc
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from Maix import GPIO
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from machine import Timer, PWM, UART, Timer
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#初始化串口
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#uart = UART(UART.UART1, 115200, read_buf_len=4096)
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def Servo(angle):
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'''
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说明：舵机控制函数
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功能：180度舵机：angle:-90至90 表示相应的角度
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360连续旋转度舵机：angle:-90至90 旋转方向和速度值。
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【duty】占空比值：0-100
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'''
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#PWM通过定时器配置，接到IO17引脚
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tim_pwm = Timer(Timer.TIMER0, Timer.CHANNEL0, mode=Timer.MODE_PWM)
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S1 = PWM(tim_pwm, freq=50, duty=0, pin=17)
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S1.duty((angle+90)/180*10+2.5)
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Servo(15)
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# 摄像头初始化
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sensor.reset()
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sensor.set_pixformat(sensor.RGB565)
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sensor.set_framesize(sensor.QVGA)
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sensor.set_vflip(1) # 摄像头后置方式
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sensor.set_pixformat(sensor.RGB565) # 设置像素格式为彩色 RGB565
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#sensor.set_pixformat(sensor.GRAYSCALE) # 设置像素格式为灰色
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sensor.set_framesize(sensor.QVGA) # 设置帧大小为 QVGA (320x240)
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sensor.set_auto_gain(False)
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sensor.set_auto_whitebal(False)
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sensor.set_auto_gain(0,0)
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lcd.init() # LCD初始化
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# 初始化 BOOT 键
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boot_pin = 16 # 根据您的板子修改对应的引脚号
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fm.register(boot_pin, fm.fpioa.GPIOHS0)
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key = GPIO(GPIO.GPIOHS0, GPIO.IN, GPIO.PULL_UP)
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clock = time.clock()
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# 拍照状态
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taking_pictures = False
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count = 0
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while(True):
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img = sensor.snapshot()
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# 检查 BOOT 键是否被按下
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if key.value() == 0:
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# 等待按键释放
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while key.value() == 0:
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time.sleep_ms(20)
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# 改变拍照状态
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taking_pictures = not taking_pictures
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if taking_pictures:
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print("Start taking pictures")
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else:
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print("Stop taking pictures")
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# 根据拍照状态决定是否保存图片
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if taking_pictures:
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# img = img.resize(224, 224)
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image_save = "/sd/img/example{}.jpg".format(count)
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img.save(image_save)
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print("Image saved:", image_save)
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count += 1
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a = lcd.display(img)
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else:
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a = lcd.display(img)
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# 打印FPS
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print(clock.fps())
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# 稍作延迟，避免过快的循环
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time.sleep_ms(20)
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